—Did Alice sleep well last night? —No, s

题型:选择题

问题:

—Did Alice sleep well last night?

—No, she didn’t. She didn’t go to bed _______ 12 o’clock last night.

A.after

B.when

C.until

D.if

考点:从属连词并列连词
题型:选择题
     根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项
为多余选项。
— Hi.May I help you?
— Yeah.  1  .How much are movie rentals?
— Well, new movies are $3.50, and other movies are $2,    2   .
— Oh, well, I'll just take these… and these tonight.   3  .
— Ok, let's see…
—   4  .
— They are due back the day after tomorrow by 10 o'clock pm..
— Thursday, Ok.
— And you have to pay an extra fee equal to the rental fee of the video if you return them late.   5  .
— OK.
A. and you can rent up to 6 movies at a time
B. Do you have any new movies for rent?
C. I'd like to rent these movies
D. And when do I need to return them?
E. Any discount?
F. How much is the rentals in all?
G. So be sure to return them on time.
题型:选择题

一种新燃料电池,一极通入空气,另一极通入丁烷(C4H10)气体,电池的总反应是:

2C4H10 + 13O2 → 8CO2 + 10H2O,电解质溶液是稀H2SO4溶液。下列对该燃料说法正确的是(   )

A.在电解质溶液中,SO42-由负极移向正极

B.丁烷在反应过程中被还原

C.通入空气的一极是正极,电极反应为:O2 + 4e- + 4H+ = 2H2O

D.通入丁烷的一极是负极,电极反应为:C4H10 + 26e- + 8H2O = 4CO2 + 26 H+

题型:选择题

下列句子中没有语病的一项是[ ]

A.三四月间细雨霏霏的西塘,是品味江南古镇的最佳季节。

B.一个人能否成为一个真正的读者,关键在于他在青少年时期养成良好的读书习惯。

C.上海世博会开幕后,上海警方便衣行动突击队就进驻园区,确保游客安全。

D.通过三年的艰苦建设,使无锡人民享受到地铁交通的便捷舒适。

题型:选择题

主动脉瓣中度狭窄时瓣口面积为

A.<0.75cm2

B.0.75~1.0cm2

C.1.1~1.75cm2

D.1.76-2.0cm2

E.2.1~4.0cm2

题型:选择题

下列赋作家属于东汉的有()

A.班固

B.扬雄

C.张衡

D.淮南小山

E.蔡邕

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